C/C++: Understand analyzes K&R or ANSI C source code and most constructs of the C++ language. Understand works with any C compiler, and has been tested with most of the popular ones. Note that C++ templates are now supported using the strict parser in Understand. Objective C, Objective C++, C++11 and C++14 are also supported using the strict parser.

C#: Understand supports all versions up to and including 6.0.

Cobol: Understand supports COBOL 85.

FORTRAN: Understand supports FORTRAN 77, FORTRAN 90, FORTRAN 95, and FORTRAN 2003 in both free and fixed format. Extensions supported include Harris FORTRAN and DEC FORTRAN. We often expand Understand to support common compiler extensions. If you find that the compiler extensions you are using are not currently supported, contact us at support@scitools.com.

Java: Understand supports most of JDK 1.3, 1.4, 5, 6, 7 and 8.

JOVIAL: JOVIAL73 and JOVIAL3 are supported.

Delphi/Pascal: Understand supports all versions of Embarcadero’s Delphi language and Embarcadero’s Turbo Pascal language. It also supports ISO 7185: 1990 (also known as Unextended Pascal) with HP Pascal extensions. You can also enable support for Ingres embedded SQL statements.